#175A7D#175A7D

#175A7D is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.4% C 0.086 H 236.8°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#175A7D
RGB	rgb(23, 90, 125)
HSL	hsl(201, 69%, 29%)
HSV	hsv(201, 82%, 49%)
CMYK	cmyk(81.6%, 28%, 0%, 51%)
CIE-LAB	lab(35.93, -7.42, -25.50)
CIE-LCH	lch(35.93, 26.56, 253.78°)
OKLab	oklab(44.42% -0.0471 -0.072)
OKLCH	oklch(44.42% 0.086 236.8)
XYZ	xyz(7.7097, 8.9742, 20.7239)
Luminance	0.0897 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175A7D #7D3A17

analogous

#177D6D #175A7D #17277D

triadic

#175A7D #7D175A #5A7D17

tetradic

#175A7D #6D177D #7D3A17 #277D17

square

#175A7D #6D177D #7D3A17 #277D17

split-complementary

#175A7D #7D1727 #7D6D17

monochromatic

#05131A #0D3549 #175A7D #217FB1 #35A1DA

Accessibility & contrast

On white

7.51

#175A7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#175A7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175A7D

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175A7D	#FFFFFF	#000000	##FFFFFF
##175A7D	1.00	7.51	2.79	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495A7F

Deuteranopia (green-blind)

#3B507C

Tritanopia (blue-blind)

#006366

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #175a7d;
/* rgb */ color: rgb(23, 90, 125);
/* oklch */ color: oklch(44.4% 0.086 236.8);

Tailwind

colors: {
  custom: {
    50: '#6688a3',
    500: '#175a7d',
    950: '#000000',
  },
}

SCSS

$custom: #175a7d;
$custom-light: #6688a3;
$custom-dark: #000000;

JSON

{
  "hex": "#175a7d",
  "rgb": {
    "r": 23,
    "g": 90,
    "b": 125
  },
  "hsl": {
    "h": 200.588,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.4442,
    "c": 0.08607,
    "h": 236.8
  },
  "luminance": 0.08975
}

Semantic roles & 50–950 ramp

primary

#175A7D

secondary

#B2663E

accent

#783CEC

background

#F6F8FA

surface

#EBEFF3

border

#C6CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #175A7D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →